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HiFiMAN EF400 Amp Headphone Amplifier

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HiFiMAN EF400 Amp Headphone Amplifier

The HiFiMAN EF400 is an advanced headphone amplifier and digital-to-analog converter (DAC) that offers exceptional sound quality in a compact, elegant package. Featuring Hymalaya R2R DAC technology and a four-channel differential design, the EF400 delivers sound with unparalleled detail and depth. This device is ideal for audiophiles and professionals alike who are looking for an exceptional listening experience.

Hymalaya R2R DAC - the heart of the device

The EF400 features the Hymalaya R2R DAC, based on high-precision resistors and an optimized FPGA algorithm. As a result, the technology reduces electrical interference and provides an excellent signal-to-noise ratio and low harmonic distortion (THD). The Hymalaya DAC guarantees faithful sound reproduction, offering natural sound with clearly rendered details.

Four-channel design

The amplifier's unique four-channel differential design enables exceptional balance of the audio signal. As a result, the EF400 delivers a maximum output power of 4.4 watts per channel into a 32 ohm load, allowing it to handle both low-impedance headphones and more demanding models. Full signal balance translates into a wide soundstage and excellent dynamics.

Versatility and richness of connections

On the front panel of the EF400 you'll find a variety of headphone outputs, including 4-Pin XLR, 4.4mm balanced, and 6.35mm and 3.5mm single-ended. On the rear panel, meanwhile, you'll find RCA (single-ended), XLR and two USB ports (Type-C and USB-B) for easy connection to computers, smartphones or other audio sources. Such versatility makes the EF400 ideal for a variety of configurations.

Intuitive operation and modes

The EF400 features a four-level mode switch that allows users to choose between OS (Oversampling) and NOS (Non-Oversampling) settings in high and low gain modes. This allows users to adjust the sound characteristics to their preferences and the type of headphones connected, allowing the device to realize its full potential.

Robust construction and stylish design

Made of high-quality materials, the EF400's housing features a sleek, minimalist design that perfectly fits in with the aesthetics of modern audio systems. Compact dimensions (246.5 x 228 x 61 mm) and a weight of 3.08 kg make the unit easy to set up and stable during use.

Performance and reliability

The EF400 is designed with stability and performance in mind. Efficient cooling and high quality components ensure reliable operation even under heavy use. This is an amplifier that will meet the expectations of the most demanding users, offering long-lasting reliability and an exceptional listening experience.

Manufacturer HiFiMAN
Model EF400 Amp
THD+N (line output) From 0.002% to 0.004%
Channel separation 125±3dB
Signal-to-noise ratio 118±3dB (A-weighted)
Maximum output power 4.4 watts per channel
Dimensions 246.5×228×61mm
Weight 3.08 kg

Dimensions and weights

Gross weight
3.84 kg
Package width
28 cm
Package height
13 cm
Package length
29 cm

Product codes

EAN
6925624202408
Manufacturer code
EF400 Amp

Photopoint offers free shipping for orders over 99 € delivered to Estonia. Take a look in the tab "Delivery" for a more precise delivery estimate.

For this product you can select the desired delivery method at the shopping cart:

Photopoint store Pick-up


Place your order from Photopoint web store and pick your goods up from one of Photopoint`s brick and mortar stores. The delivery to Photopoint store is free even for orders less than 99 €. You will be noticed by e-mail when your order is ready for pick-up.

The Photopoint stores are located in Tallinn and Tartu. See the exact locations from here.

Omniva parcel terminal 

You can order the goods to one of the Omniva Parcel terminals. Choose the desired terminal at the shopping cart. As the shipment arrives to the selected terminal, you will be sent an SMS-notification with an unique code. Go to the terminal within a week, enter the code and take your package. It is as simple as that.

See Omniva Parcel terminal locations here.

SmartPOST parcel terminal

Did not find an Omniva terminal at suitable location? Try SmartPost. Choose the desired terminal at the shopping cart. As the shipment arrives to the selected terminal, you will be sent an SMS-notification with an unique code. Go to the terminal within a week, enter the code and take your package. This method actually works for all parcel terminals.

See SmartPOST parcel terminal locations here.

DPD parcel locker

Make sure you check out also the locations of DPD parcel lockers. These are located all over Estonia. The delivery is the same. As the shipment arrives to the selected locker, you will be sent an SMS with a unique code. Go to the locker, enter the code and take your package.

See DPD parcel locker locations here.

Smartpost Finland parcel terminal

SmartPOST Finland is the best way to order goods to Finland. These terminals work the same way as in Estonia. As the shipment arrives to the selected terminal in Finland, you will be sent an SMS-notification with an unique code. Go to the terminal, enter the code and take your package.

See SmartPOST Finland parcel terminal locations here.

Matkahuolto parcel service

Matkahuolto is easy way to order goods to Finland. These are located also in smaller Finnish towns. As the shipment arrives to the selected Matkahuolto outlet, you will be sent an SMS-notification or an e-mail. Go to the outlet, show your ID and take your package.

See Matkahuolto outlet locations here.

Omniva courier delivery

The courier will transport your goods from Photopoint straight to the provided address. The delivery will take place at workdays from 08:00 to 17:00. Hold your phone near you as the courier will call you prior to its arrival. Please make sure there is someone at the destination, eligible to receive the shipment. 

The product is out of stock. For additional availability and preorder information please contact us here.

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